Derlin
缩醛树脂
🗣️ 情景例句
That sounds good. Let's soak up a little vitamin D.
听起来不错，让我们摄入一点维生素D吧。
He helps my father every day.
他每天都帮助我的父亲做事。
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。